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Side-by-side financial comparison of Pentair (PNR) and Waters Corporation (WAT). Click either name above to swap in a different company.

Pentair is the larger business by last-quarter revenue ($1.0B vs $932.4M, roughly 1.1× Waters Corporation). Waters Corporation runs the higher net margin — 24.2% vs 16.6%, a 7.5% gap on every dollar of revenue. On growth, Waters Corporation posted the faster year-over-year revenue change (6.8% vs 2.6%). Over the past eight quarters, Waters Corporation's revenue compounded faster (21.0% CAGR vs -2.9%).

Pentair plc (PNR) is an American water treatment company incorporated in Ireland with tax residency in UK, with its main U.S. office in Golden Valley, Minnesota. Pentair was founded in the US, with 65% of company's revenue coming from the US and Canada as of 2017. PNR was reorganized in 2014, shifting the corporate domicile from Switzerland to Ireland.

Waters Corporation is an American company headquartered in Milford, Massachusetts that provides analytical instruments and software used for chromatography, mass spectrometry, laboratory informatics, and rheometry by the life sciences, materials, and food industries.

PNR vs WAT — Head-to-Head

Bigger by revenue
PNR
PNR
1.1× larger
PNR
$1.0B
$932.4M
WAT
Growing faster (revenue YoY)
WAT
WAT
+4.2% gap
WAT
6.8%
2.6%
PNR
Higher net margin
WAT
WAT
7.5% more per $
WAT
24.2%
16.6%
PNR
Faster 2-yr revenue CAGR
WAT
WAT
Annualised
WAT
21.0%
-2.9%
PNR

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
PNR
PNR
WAT
WAT
Revenue
$1.0B
$932.4M
Net Profit
$172.4M
$225.2M
Gross Margin
41.8%
61.1%
Operating Margin
20.3%
29.0%
Net Margin
16.6%
24.2%
Revenue YoY
2.6%
6.8%
Net Profit YoY
11.3%
-2.7%
EPS (diluted)
$3.76

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
PNR
PNR
WAT
WAT
Q1 26
$1.0B
Q4 25
$1.0B
$932.4M
Q3 25
$1.0B
$799.9M
Q2 25
$1.1B
$771.3M
Q1 25
$1.0B
$661.7M
Q4 24
$972.9M
$872.7M
Q3 24
$993.4M
$740.3M
Q2 24
$1.1B
$708.5M
Net Profit
PNR
PNR
WAT
WAT
Q1 26
$172.4M
Q4 25
$166.1M
$225.2M
Q3 25
$184.3M
$148.9M
Q2 25
$148.5M
$147.1M
Q1 25
$154.9M
$121.4M
Q4 24
$166.4M
$231.4M
Q3 24
$139.6M
$161.5M
Q2 24
$186.1M
$142.7M
Gross Margin
PNR
PNR
WAT
WAT
Q1 26
41.8%
Q4 25
40.4%
61.1%
Q3 25
41.0%
59.0%
Q2 25
40.7%
58.3%
Q1 25
39.9%
58.2%
Q4 24
38.8%
60.1%
Q3 24
39.6%
59.3%
Q2 24
39.8%
59.3%
Operating Margin
PNR
PNR
WAT
WAT
Q1 26
20.3%
Q4 25
20.1%
29.0%
Q3 25
22.7%
24.0%
Q2 25
19.4%
24.4%
Q1 25
20.1%
22.9%
Q4 24
20.1%
33.5%
Q3 24
18.1%
28.5%
Q2 24
22.6%
26.7%
Net Margin
PNR
PNR
WAT
WAT
Q1 26
16.6%
Q4 25
16.3%
24.2%
Q3 25
18.0%
18.6%
Q2 25
13.2%
19.1%
Q1 25
15.3%
18.3%
Q4 24
17.1%
26.5%
Q3 24
14.1%
21.8%
Q2 24
16.9%
20.1%
EPS (diluted)
PNR
PNR
WAT
WAT
Q1 26
Q4 25
$1.01
$3.76
Q3 25
$1.12
$2.50
Q2 25
$0.90
$2.47
Q1 25
$0.93
$2.03
Q4 24
$0.99
$3.88
Q3 24
$0.84
$2.71
Q2 24
$1.11
$2.40

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
PNR
PNR
WAT
WAT
Cash + ST InvestmentsLiquidity on hand
$67.7M
$587.8M
Total DebtLower is stronger
$1.9B
$1.4B
Stockholders' EquityBook value
$3.8B
$2.6B
Total Assets
$7.1B
$5.1B
Debt / EquityLower = less leverage
0.51×
0.55×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PNR
PNR
WAT
WAT
Q1 26
$67.7M
Q4 25
$587.8M
Q3 25
$128.4M
$459.1M
Q2 25
$143.0M
$367.2M
Q1 25
$140.6M
$382.9M
Q4 24
$118.7M
$325.4M
Q3 24
$218.1M
$331.5M
Q2 24
$214.3M
$327.4M
Total Debt
PNR
PNR
WAT
WAT
Q1 26
$1.9B
Q4 25
$1.6B
$1.4B
Q3 25
$1.6B
Q2 25
$1.4B
Q1 25
$1.8B
Q4 24
$1.6B
$1.6B
Q3 24
Q2 24
$1.8B
Stockholders' Equity
PNR
PNR
WAT
WAT
Q1 26
$3.8B
Q4 25
$3.9B
$2.6B
Q3 25
$3.8B
$2.3B
Q2 25
$3.7B
$2.2B
Q1 25
$3.6B
$2.0B
Q4 24
$3.6B
$1.8B
Q3 24
$3.5B
$1.6B
Q2 24
$3.4B
$1.4B
Total Assets
PNR
PNR
WAT
WAT
Q1 26
$7.1B
Q4 25
$6.9B
$5.1B
Q3 25
$6.8B
$4.9B
Q2 25
$6.5B
$4.7B
Q1 25
$6.7B
$4.6B
Q4 24
$6.4B
$4.6B
Q3 24
$6.5B
$4.5B
Q2 24
$6.5B
$4.4B
Debt / Equity
PNR
PNR
WAT
WAT
Q1 26
0.51×
Q4 25
0.42×
0.55×
Q3 25
0.42×
Q2 25
0.38×
Q1 25
0.51×
Q4 24
0.46×
0.89×
Q3 24
Q2 24
0.51×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
PNR
PNR
WAT
WAT
Operating Cash FlowLast quarter
$164.6M
Free Cash FlowOCF − Capex
$-85.7M
FCF MarginFCF / Revenue
-8.3%
Capex IntensityCapex / Revenue
1.8%
Cash ConversionOCF / Net Profit
0.73×
TTM Free Cash FlowTrailing 4 quarters
$716.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PNR
PNR
WAT
WAT
Q1 26
Q4 25
$50.8M
$164.6M
Q3 25
$196.3M
$187.3M
Q2 25
$606.6M
$41.1M
Q1 25
$-38.9M
$259.6M
Q4 24
$86.5M
$240.1M
Q3 24
$248.6M
$204.6M
Q2 24
$539.2M
$54.5M
Free Cash Flow
PNR
PNR
WAT
WAT
Q1 26
$-85.7M
Q4 25
$27.1M
Q3 25
$178.9M
Q2 25
$595.7M
Q1 25
$-55.7M
Q4 24
$63.8M
Q3 24
$233.2M
Q2 24
$522.2M
FCF Margin
PNR
PNR
WAT
WAT
Q1 26
-8.3%
Q4 25
2.7%
Q3 25
17.5%
Q2 25
53.0%
Q1 25
-5.5%
Q4 24
6.6%
Q3 24
23.5%
Q2 24
47.5%
Capex Intensity
PNR
PNR
WAT
WAT
Q1 26
1.8%
Q4 25
2.3%
Q3 25
1.7%
Q2 25
1.0%
Q1 25
1.7%
Q4 24
2.3%
Q3 24
1.6%
Q2 24
1.5%
Cash Conversion
PNR
PNR
WAT
WAT
Q1 26
Q4 25
0.31×
0.73×
Q3 25
1.07×
1.26×
Q2 25
4.08×
0.28×
Q1 25
-0.25×
2.14×
Q4 24
0.52×
1.04×
Q3 24
1.78×
1.27×
Q2 24
2.90×
0.38×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

PNR
PNR

Water Solutions$391.0M38%
Pool$387.1M37%
Flow$258.1M25%

WAT
WAT

Segment breakdown not available.

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